$OpenBSD: patch-src_long-options_c,v 1.1 2013/11/02 08:44:19 ajacoutot Exp $
--- src/long-options.c.orig	Sat Nov  2 09:01:46 2013
+++ src/long-options.c	Sat Nov  2 09:03:50 2013
@@ -21,6 +21,10 @@
 # include <config.h>
 #endif
 
+#if HAVE_STDLIB_H
+#include <stdlib.h> /* exit(3) */
+#endif
+
 #include <stdio.h>
 #include <getopt.h>
 #include "closeout.h"
